* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  caret-color: transparent;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  display: block;
}

ul,
li,
ol {
  list-style: none;
}

.wrapper {
  margin: 100px auto 0;
  width: 400px;
  padding: 10px 15px;
  border-radius: 4px;
  border: 1px solid #ccc;
}

.wrapper .filterFunc {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.wrapper .filterFunc input {
  width: 230px;
  height: 25px;
  border: 1px solid #999;
  outline: none;
  padding-left: 10px;
  border-radius: 4px;
  caret-color: #3c8dff;
}

.wrapper .filterFunc .btn {
  color: #3c8dff;
  cursor: pointer;
  padding: 0px 5px;
  border-radius: 4px;
}

.wrapper .filterFunc .btn.active {
  background-color: #3c8dff;
  color: #fff;
}

.wrapper .frientList ul li {
  position: relative;
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 50px;
  border-bottom: 1px solid #999;
}

.wrapper .frientList ul li img {
  position: absolute;
  left: 0;
  top: 10px;
  width: 40px;
  height: 40px;
}

.wrapper .friendList li .des {
  color: #666;
  font-size: 16px;
}
